He's actually transformed certain free-running movements into Parkour. You should watch his and Livewire's show on youtube. Of them just fucking around at the gym, they're pretty damn talented. Then again he's been training since he was a little un. I heard somewhere he was the stuntman in spiderman, not sure thow.
Whether or not we chose the first or second one doesn't really matter, hes got years upon years of training, and at such an early age, his muscles and body have developed to be a gymnast, you can't just change that once a person has gone through the first 15-20 years of their life.